[NSRCA-discussion] TP 1010 testing

[Bob Kane]

Lots of work, great report.

--- Robert Mairs <robertm at sssnet.com> wrote:

> Got tired of building this last weekend, and decided
> to do some testing of 
> the TP1010c charger.  Debated whether to post this,
> but some might be 
> interested.
> 
> All tests were done with the 5s3p 6000 prolites that
> have 90-100 cycles on 
> them.
> 
> First off these packs haven't been touched since the
> end of september, in 
> storage all winter.  So I proceeded to do a 1c
> charge, and then discharged 
> with a cba to ck pack capacity.  They're holding up
> quite well with about a 
> 4% drop in capacity as compared to new.  1c charge
> was quite uneventful, 
> mostly getting accustomed to the charger.  I used
> both the 210 and 205 
> balancers, both worked well with the system.  I did
> order 2 charge systems, 
> but alas one charger had problems and has been sent
> back to thunder power. 
> The push buttons seemed to lock up after a few
> seconds.  Only way to get it 
> to unlock was to power it down.  Upon reactivation
> it would seem alright, 
> but then the problem would reappear.  This was over
> several attempts.
> 
> I then decided to do a 10s charge after deep cycling
> the pack to get a mah 
> reading.  Resting voltage of the pack 34.992.
> 
> A .029 spread over the 10 cells.  Close to the .03,
> but the balancer said it 
> was ok to do normal charge.
> 
> Charger started the initial charge for about 4 min
> then ramped up to 5amps 
> as it got close to 37volts.  At 40volts charger went
> into cv from cc which 
> seemed a little early??  Balancer was working pretty
> hard by this time.  Not 
> sure at what point it was, but the alarms and bells
> started going off, and 
> the charger shut down stating overvoltage on cell 6.
>  Balancer was pretty 
> hot and quite active.  Not sure why it couldn't keep
> up, but it didn't.  Let 
> the pack continue to balance out, and restarted the
> charge which took about 
> another 400mah before pack was fully charged. 
> Anyways, found out the 
> overvoltage feature works!  Wisdom gained, if that
> big of a cell spread, 
> balance it out first, but I was kind of surprised
> this happened.  First 
> because the balancer said ok, 2nd I thought the
> charger wouldn't ramp up the 
> current until all cells were within specs, 3rd I
> didn't think the balancer 
> would have any problem at 5amps which is only a .8c
> charge.
> 
> 
> 
> Redischarged the packs, taking out about 4500mah. 
> Pack voltage this time 
> was at 37.26 with only .006 spread over the 10
> cells.  Started the same 10s 
> charge, this time uneventful til completion.  The
> balancer was quite active, 
> but didn't heat up as the first charge did.  Total
> charge time was 65 
> minutes and put in 4594mah.  Balancer was still
> active at end of charge.
> 
> cell voltage spread was .012 over the 10 cells, pack
> voltages were 20.86 and 
> 20.84.  Not sure I like the 10s feature.
> 
> 
> 
> Decided to try a 1.5c charge on one of the 5s packs.
> 
> Resting voltage 18.68 with a .005 spread on the 5
> cells.  Set to 5cells 
> 9amps, fast charge.
> 
> 1st 1000mah at about 7min.
> 2nd 1000mah at about 13min.
>  at 30min was at 3.86amps, voltage at 21v.  4290mah
> 31min   3.2amps, 4350mah
> 32min   2.78amps, 4390mah
> 33min   2.33amps, 4437mah
> 34min   2.13amps, 4474mah
> 35min   1.75amps, 4506mah
> 36min   1.58amps, 4533mah
> 36min 52sec  charge terminated at 4554mah
> 
> cv kicked in at 20.48volts
> 
> Ending voltage was 20.85 with a .006 spread over the
> 5 cells.  Noticed no 
> heat buildup in pack, or balancer.  Balancer showed
> little activity through 
> out the charge.  Didn't work nearly as hard as the
> successful 10s charge. 
> Used the 205v balancer on the 1.5c charge.
> 
> Also tried the storage discharge and charge which
> worked quite well.  The 
> discharge came closer at 19.26 volts, can only
> discharge a 1amp.
> 
> Chargers quite easy to use.  I'm leaning towards the
> 1.5c charge with 2 
> chargers.  It worked very well.  Will have to wait
> and see how long it takes 
> to get my 2nd charger back.
> Anyways that's the way it went for me for those
> interested.
> 
> 
> 
> 
> 
> _______________________________________________
> NSRCA-discussion mailing list
> NSRCA-discussion at lists.nsrca.org
>
http://lists.nsrca.org/mailman/listinfo/nsrca-discussion
> 


Bob Kane
getterflash at yahoo.com

__________________________________________________
Do You Yahoo!?
Tired of spam?  Yahoo! Mail has the best spam protection around 
http://mail.yahoo.com